Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Lacking definite form; shapeless. See Synonyms at shapeless.
  • adj. Of no particular type; anomalous.
  • adj. Lacking organization; formless.
  • adj. Lacking distinct crystalline structure.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. lacking a definite form or clear shape
  • adj. being without definite character or nature
  • adj. lacking organization or unity
  • adj. in the non-crystalline solid state of a typically crystalline solid.
  • adj. infinite and not the disjoint union of two infinite subsets

from the GNU version of the Collaborative International Dictionary of English

  • adj. Having no determinate form; of irregular; shapeless.
  • adj. Without crystallization in the ultimate texture of a solid substance; uncrystallized.
  • adj. Of no particular kind or character; anomalous.

from The Century Dictionary and Cyclopedia

  • Having no determinate form; of irregular shape.
  • Having no regular structure; specifically, not crystallized, even in the minutest particles: as, glass and opal are amorphous.—. Of no particular kind or character; formless; characterless; heterogeneous; unorganized.
  • Characterized by amorphism; founded on the principles of amorphism; nihilistic; anarchic.
  • Also amorphic.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. without real or apparent crystalline form
  • adj. having no definite form or distinct shape
  • adj. lacking the system or structure characteristic of living bodies

Etymologies

From Greek amorphos : a-, without; see a-1 + morphē, shape.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ἄμορφος (amorphos) "without form, shapeless, deformed" (itself from α- (a-) "without" + μορφή (morphē) "form") + the English suffix -ous (Wiktionary)

Examples

  • No, I don't think 'amorphous' is quite the word for much of that southern white elite.

    Is That Legal?: The Past And Partisan Posturing in North Carolina

  • I don't know if the problem is that my "Gen" can only think in amorphous non-thoughts, but the best thing they could do would be to come up with actual concrete plans of action.

    Gen Y Participatory Exploration Presentation - NASA Watch

  • And speaking of crying out loud, if you look and listen you'll see that these youngsters are crying out for guidance on how they can help make this space thing happen and forge their paths into the future, and what do they get from the peanut gallery? packed full of nothing can only think in amorphous non-thoughts

    Gen Y Participatory Exploration Presentation - NASA Watch

  • In collaboration with John Konnert and Peter D'Antonio, procedures were developed for determining atomic arrangements in amorphous materials based on criteria similar to those applied to molecular vapors.

    Jerome Karle - Autobiography

  • Again; solid bodies, whether simple or compound, are capable of existing in two states, which are known by the terms amorphous and crystalline.

    Familiar Letters on Chemistry

  • He said Apple will take a production line at Sharp's Sakai facility to make a modified version of what are known as amorphous TFT displays and will likely begin commercial production of what he called iTV in February.

    BusinessWeek.com -- Top News

  • He said Apple will take a production line at Sharp's Sakai facility to make a modified version of what are known as amorphous TFT displays and will probably begin commercial production of what he called iTV in February.

    SFGate: Don Asmussen: Bad Reporter

  • United Solar uses something called amorphous silicon technology, while Dow has set its sights on a newer technology known as Cigs -- photovoltaic cells made of copper, indium, gallium and selenium, which, when they work, are more efficient -- able to turn 13% of the sun's energy into electricity.

    Roofs for Rich Green People

  • Now glasses are also silicates of various metals, but unlike gem minerals the glasses are not crystalline but rather amorphous, that is, without definite geometric form or definite internal arrangement.

    A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public

  • The water molecules would have stuck together much more haphazardly, forming so-called amorphous ice.

    New Scientist - Online News

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.

  • I love this word. Has a wonderful sound.

    September 23, 2008